limit task status chart to 7 days

server/stats.go

@@ -204,7 +204,7 @@ func generateStats(ctx context.Context) ([]ChartData, error) {
 	rows, err = db.Query(ctx,
 		`SELECT date_trunc('day', updated_at) date, status, COUNT(*) AS count
 		FROM tasks
-		WHERE status = $1 OR status = $2
+		WHERE updated_at > current_date - 7 AND (status = $1 OR status = $2)
 		GROUP BY 1,2
 		ORDER BY date ;`, constants.TASK_STATUS_SUCCESS, constants.TASK_STATUS_FAILED)
 	if err != nil {